Home / 166,391.86-229,810.19-111,849.33

Finding the Fourth Proportional to 166,391.86, 229,810.19 and 111,849.33

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Solution

The fourth proportional to 166,391.86, 229,810.19 and 111,849.33 is: 154,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,391.86 : 229,810.19 = 111,849.33 : x
  2. Step 2: Convert to fraction form
    166,391.86/229,810.19 = 111,849.33/x
  3. Step 3: Cross multiply
    166,391.86x = 229,810.19 × 111,849.33
  4. Step 4: Simplify right side
    166,391.86x = 25,704,115,749.45
  5. Step 5: Solve for x
    x = 25,704,115,749.45/166,391.86
  6. Step 6: Final answer
    x = 154,479.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.